cobblestone.dk

📜 Historical scan 2026-06-24 04:12:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cobblestone.dk is a .dk domain served by 4 nameservers (ns-1444.awsdns-52.org, ns-1692.awsdns-19.co.uk, ns-489.awsdns-61.com and 1 more). It was registered on 14 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.19.196.164 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by cobblestone-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1444.awsdns-52.org	205.251.197.164 2600:9000:5305:a400::1	ns-1444.awsdns-52.org ns-1444.awsdns-52.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1692.awsdns-19.co.uk	205.251.198.156 2600:9000:5306:9c00::1	ns-1692.awsdns-19.co.uk ns-1692.awsdns-19.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-489.awsdns-61.com	205.251.193.233 2600:9000:5301:e900::1	ns-489.awsdns-61.com ns-489.awsdns-61.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-822.awsdns-38.net	205.251.195.54 2600:9000:5303:3600::1	ns-822.awsdns-38.net ns-822.awsdns-38.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

2 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.19.196.164	60s	ec2-52-19-196-164.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.16.0.0/14	🇮🇪 Ireland	Dublin
54.171.177.61	60s	ec2-54-171-177-61.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.168.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	cobblestone-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca09::7 52.101.68.18 52.101.68.3 52.101.73.19 52.101.73.30	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136
🔶 Autoconfig	54.171.177.61

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 324ms

TXT Record
v=spf1 ip4:194.182.10.94 ip4:63.34.34.144 ip4:77.66.88.239 ip4:62.199.210.126 include:servers.mcsv.net include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.dixa.io include:dedicated.mysmtp.com -all

✉️ SPF#

Policy	Record (cobblestone.dk)
-all (hard fail)	v=spf1 ip4:194.182.10.94 ip4:63.34.34.144 ip4:77.66.88.239 ip4:62.199.210.126 include:servers.mcsv.net include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.dixa.io include:dedicated.mysmtp.com -all

📨 DMARC#

Policy	Record (_dmarc.cobblestone.dk)
p=reject	v=DMARC1; p=reject; sp=none; adkim=r; aspf=r; pct=100; ri=86400; fo=0; rua=mailto:7lrymkqp@ag.eu.dmarcian.com,mailto:techsupport@cobblestone.dk;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 23:27:59

www CNAME	cobblestone.dk (all on cobblestone.dk) → 46.137.123.63 54.155.176.250 (AS16509)
www vs bare domain	Same network cobblestone.dk: 46.137.123.63 54.155.176.250 (AS16509) www.cobblestone.dk: 46.137.123.63 54.155.176.250 (AS16509)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u1204885.wl136.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u1204885.wl136.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-cobblestone-dk._domainkey.cobblestoneas.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

197ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

53ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-822.awsdns-38.net
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-08 10:42:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-08-14
Expires	2027-07-31 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

57ms

68ms

56ms

AAAA

68ms

TXT

324ms

CAA

59ms

HTTPS

67ms

TLSA

161ms

SOA

53ms

MTA-STS

151ms

DNSSEC

197ms

SRV

322ms

Total

1121ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 12:22:16	3456ms	4 NS 2 A 1 MX	🔒 Secure
2026-08-27 19:13:47	5727ms	4 NS 2 A 1 MX	🔒 Secure
2026-06-24 04:12:10 shown	1121ms	4 NS 2 A 1 MX	🔒 Secure
2026-06-23 19:32:54	877ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 21:36:49	1699ms	4 NS 2 A 1 MX	🔒 Secure